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Dementia - Symptoms and causes - Mayo Clinic
Dementia describes a group of symptoms affecting memory, thinking and social abilities. The symptoms interfere with a person's daily life. Dementia isn't one specific disease. Several diseases can cause dementia. Memory loss is one of the early symptoms of dementia.

Dementia - Wikipedia
More than one type of dementia, known as mixed dementia, may exist together in at least 10% of dementia cases. The most common type of mixed dementia is Alzheimer's disease and vascular dementia, and the second most common is Alzheimer's and Lewy body dementia.

Dementia: What It Is, Causes, Symptoms, Treatment & Types
Dementia involves a decline in the mental abilities you need for daily living. It develops when there’s damage to the parts of your brain involved with learning, memory, decision-making and language.

What is Dementia? Symptoms, Causes & Treatment | alz.org
Dementia is a general term for loss of memory, language, problem-solving and other thinking abilities that are severe enough to interfere with daily life. Alzheimer's is the most common cause of dementia.

What Is Dementia? Symptoms, Types, and Diagnosis
Dementia is a loss of thinking, remembering, and reasoning skills. It is not a normal part of aging. Read about the different types of dementia and how it is diagnosed.

Dementia - World Health Organization (WHO)
Alzheimer disease is the most common form of dementia and may contribute to 60–70% of cases. Dementia is currently the seventh leading cause of death and one of the major causes of disability and dependency among older people globally.

Dementia: Stages, Causes, Symptoms, and Treatments - WebMD
Dementia is a neuro-cognitive disorder that can be loosely explained as a loss of thinking ability and logical reasoning. This guide explains different forms of dementia.

What Is Dementia? - Alzheimers.gov
Dementia is the result of changes in certain brain regions that cause neurons (nerve cells) and their connections to stop working properly. Researchers have connected changes in the brain to certain forms of dementia, but, in most cases, the underlying causes are unknown.

About Dementia | Alzheimer's Disease and Dementia | CDC
Dementia is a condition that makes someone unable to remember, think clearly, or make decisions while doing everyday activities. Alzheimer’s disease is the most common type of dementia. Learn about the different types of dementia. Dementia is not a specific disease.

What Is Dementia? Symptoms, Types, and More - Healthline
Dementia is a loss of cognitive functioning, including memory, language, and reasoning. Learn more about dementia and how it differs from forgetfulness.

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                    *Filter: "Dementia"

A Dementia Vaccine? Most Americans Say Yes  MedPage Today
Rethinking dementia prevention for a continuum of risk  Nature
Transient ischemic attack associated with increased risk of dementia  Medical Xpress
Mini-Stroke Linked to Increased Dementia Risk  Everyday Health
People with dementia can participate in research without experiencing significant burden  News-Medical
Association of Sugar Restriction in Utero Through Age 2 Years on Dementia Risk Later in Life  Neurology® Journals
From Biomarkers to Prevention: Key Alzheimer Research Stories of 2026  NeurologyLive
Avoiding 3 Things During Middle Age Is Linked to 13 More Years Without Dementia  nyulangone.org
Researchers Launch $26 Million Study to Predict ALS and FTD Before Symptoms Begin  University of Miami
Moderate Consumption of Caffeinated Coffee Reduces Risk of Dementia  Neurology Today
Replacement Joints Might Affect A Person's Brain, Study Finds  HealthDay
TIA Linked to Higher Dementia Risk  Mirage News
The Brain as Two Organs; Epstein-Barr and MS; Indigenous Bolivians and Dementia  MedPage Today
Association of Circulating Vitamin D in Midlife With Increased Tau-PET Burden in Dementia-Free Adults  Neurology® Journals
Associations of Lifetime Cognitive Enrichment With Incident Alzheimer Disease Dementia, Cognitive Aging, and Cognitive Resilience  Neurology® Journals

Common Neurological Symptoms & Warning Signs

Persistent or Sudden Severe Headaches — Onset of unusually intense headaches, sudden thunderclap onset, or chronic pain accompanied by nausea and visual disruptions.
Numbness, Tingling, or Paresthesia — Loss of sensation, burning, or a "pins and needles" feeling in the extremities, often signaling peripheral neuropathy or nerve compression.
Focal Muscle Weakness or Paralysis — Sudden or progressive loss of muscle strength, facial drooping, or difficulty lifting objects, commonly associated with stroke or nerve disorders.
Seizures and Convulsions — Sudden, uncontrolled electrical disturbances in the brain leading to involuntary muscle spasms, loss of consciousness, or brief absence spells.
Vertigo, Dizziness, and Loss of Balance — Sensations of spinning, unsteady gait, or uncoordinated movement (ataxia), pointing toward vestibular or cerebellar dysfunction.
Cognitive Decline and Memory Impairment — Uncharacteristic confusion, difficulty retrieving words, disorientation, or short-term memory loss impacting daily functioning.
Visual Disturbances and Diplopia — Unexplained double vision, temporary loss of vision in one eye, or sudden blurred vision stemming from optic nerve issues or brain lesions.
Dysarthria and Speech Difficulties — Slurred speech, trouble articulating words, or difficulty comprehending spoken language due to motor speech pathway impairment.

Key Milestones in the History of Neurology

Edwin Smith Papyrus (c. 1600 BCE) — The earliest known medical document describing brain anatomy, cranial sutures, and meninges, detailing head trauma cases in ancient Egypt.
Hippocratic Corpus (c. 400 BCE) — Hippocrates challenged mystical beliefs by identifying the brain, rather than the heart, as the seat of human intelligence, sensation, and emotion.
Vesalius and De Humani Corporis Fabrica (1543) — Andreas Vesalius provided detailed anatomical drawings of the human nervous system, correcting centuries of Galenic anatomical errors.
Discovery of Cerebral Localization (1861) — Paul Broca demonstrated localized speech production functions in the frontal lobe through post-mortem studies of aphasic patients.
Establishment of the Neuron Doctrine (1891–1906) — Santiago Ramón y Cajal and Camillo Golgi revealed that the nervous system consists of discrete individual cells rather than a continuous net.
Invention of Electroencephalography (1924) — Hans Berger recorded the first human brain waves (EEG), revolutionizing epilepsy diagnosis and sleep cycle monitoring.
Development of Neuroimaging Techniques (1970s–1980s) — Godfrey Hounsfield developed Computed Tomography (CT) and Raymond Damadian pioneered MRI, transforming non-invasive brain visualization.
Discovery of Neuroplasticity (Late 20th Century) — Researchers demonstrated that the adult brain reorganizes neural pathways in response to learning, environmental changes, and injury recovery.

Current Neurology Research & Breakthroughs

Blood-Based Biomarkers for Early Alzheimer's Detection — Advances in blood tests tracking amyloid and tau levels allow for faster, non-invasive diagnosis before major cognitive decline occurs.
Adaptive Deep Brain Stimulation (aDBS) in Parkinson's — Closed-loop DBS systems now record real-time neural activity to dynamically adjust stimulation, significantly improving motor fluctuations.
Disease-Modifying Gene Therapies for Neurodegeneration — Novel viral vector therapies target genetic root causes to slow progression in rare conditions like Huntington's disease and ALS.
Precision Immunotherapies for Neuromuscular Disorders — Targeted monoclonal antibody treatments offer faster-acting, long-term disease management for autoimmune conditions like Myasthenia Gravis and CIDP.
Brain-Computer Interfaces (BCI) for Paralysis Recovery — High-density microelectrode arrays decode neural intent into real-time digital text and prosthetic movement for spinal cord injury patients.
Neuroinflammation and Microglial Modulation in Stroke — Investigational therapies focusing on microglial activation show promise in minimizing secondary brain injury following acute ischemic events.
Focused Ultrasound (FUS) Blood-Brain Barrier Opening — Non-invasive MRI-guided ultrasound temporarily opens the blood-brain barrier to deliver targeted chemotherapies directly into brain tumors.
Single-Cell RNA Sequencing in Epilepsy Therapeutics — Transcriptomic profiling identifies specific neuronal subpopulations causing drug-resistant seizures, opening pathways for targeted drug design.